$ git clone -n https://src.fedoraproject.org/rpms/R-rprintf.git /var/lib/mock/f37-build-side-32-misc-devel-362641-15628/root/chroot_tmpdir/scmroot/R-rprintf
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-362641-15628/root/chroot_tmpdir/scmroot/R-rprintf'...
$ git reset --hard a2b952bdc40404111c250659a4afabb7d5887c79
HEAD is now at a2b952b rebuild for R 4.2.1